To create a bitcoin — a process called mining — you need to be able to answer increasingly complex mathematical problems. the full report Bitcoin mining requires extremely fast computers and sophisticated software, as well as a great deal of electricity. Bitcoin is limited to about 21 million total coins. Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world Bitcoin: Find out how bitcoin works and what it means for your investments. Government regulations around crypto are constantly evolving and may differ based on where you live. Regulations could impact how you use or access your crypto, which can cause volatility and uncertainty. But since crypto is still new, it may take time for policymakers to establish clear, consistent guidelines.